21641973

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{701}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 29719872

約数和(自身を除く): 8077899

約数列:

[1, 3, 41, 123, 251, 701, 753, 2103, 10291, 28741, 30873, 86223, 175951, 527853, 7213991, 21641973]

約数ペア:

[(1, 21641973), (3, 7213991), (41, 527853), (123, 175951), (251, 86223), (701, 30873), (753, 28741), (2103, 10291)]